#173345#173345

#173345 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.047 H 239.0°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#173345
RGB	rgb(23, 51, 69)
HSL	hsl(203, 50%, 18%)
HSV	hsv(203, 67%, 27%)
CMYK	cmyk(66.7%, 26.1%, 0%, 72.9%)
CIE-LAB	lab(19.96, -4.14, -14.39)
CIE-LCH	lch(19.96, 14.97, 253.96°)
OKLab	oklab(30.81% -0.0242 -0.0403)
OKLCH	oklch(30.81% 0.047 239)
XYZ	xyz(2.6110, 2.9792, 6.0665)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173345 #452917

analogous

#174540 #173345 #171C45

triadic

#173345 #451733 #334517

tetradic

#173345 #401745 #452917 #1C4517

square

#173345 #401745 #452917 #1C4517

split-complementary

#173345 #45171C #454017

monochromatic

#081117 #081117 #173345 #265573 #3677A1

Accessibility & contrast

On white

13.16

#173345 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#173345 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173345

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173345	#FFFFFF	#000000	##FFFFFF
##173345	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3346

Deuteranopia (green-blind)

#252E45

Tritanopia (blue-blind)

#003839

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #173345;
/* rgb */ color: rgb(23, 51, 69);
/* oklch */ color: oklch(30.8% 0.047 239.0);

Tailwind

colors: {
  custom: {
    50: '#596a78',
    500: '#173345',
    950: '#000000',
  },
}

SCSS

$custom: #173345;
$custom-light: #596a78;
$custom-dark: #000000;

JSON

{
  "hex": "#173345",
  "rgb": {
    "r": 23,
    "g": 51,
    "b": 69
  },
  "hsl": {
    "h": 203.478,
    "s": 50,
    "l": 18.039
  },
  "oklch": {
    "l": 0.30813,
    "c": 0.04701,
    "h": 239
  },
  "luminance": 0.02979
}

Semantic roles & 50–950 ramp

primary

#173345

secondary

#7C553C

accent

#854EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #173345

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →